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Found most commonly in these habitats: 7 times found in meadow, 2 times found in subalpine meadow, 4 times found in Aspen-oak forest, 4 times found in Lodgepole pine and sagebrush, 2 times found in Low meadow, 1 times found in Meadow in aspen forest, 1 times found in Mountain meadow, 1 times found in Wet meadow.
Found most commonly in these microhabitats: 2 times soil mound nest, 5 times thatched nest, 4 times masonry dome, 2 times mound nest, 1 times pebble nest, 1 times grassy mound, 1 times under wood.
Collected most commonly using these methods: 2 times search.
Elevations: collected from 1548 - 3200 meters, 2299 meters average
Type specimens: syntype of Formica opaciventris: casent0905702
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Antweb is funded from private donations and from grants from the National Science Foundation, DEB-0344731, EF-0431330 and DEB-0842395. Sat Feb 22 05:09:18 PST 2020.